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What Are the Most Common Causes of HVAC Repair Issues?

No one likes the inconvenience of having to call for HVAC repairs - it can be costly, time consuming, and can even cause stress. But understanding the causes of HVAC repair Vancouver issues can help you avoid them in the future. In this article, we’ll uncover the top causes of HVAC repair issues, so you can be better prepared to maintain your system.

From air leaks to overworking the system, there are a variety of factors that can contribute to HVAC repair issues. We’ll explore each one and discuss how to prevent them. You’ll learn how to spot the signs of an issue and what you should do to avoid costly repairs.

By understanding the common causes of HVAC repair issues, you’ll be able to maintain your system, save money, and avoid the hassle of having to call in a technician. Keep reading to uncover the top causes of HVAC repair issues and find out what you can do to prevent them!

Air Leaks

Air leaks can cause significant damage to your HVAC system and result in expensive repairs. Air leakage can also cause your system to run inefficiently, resulting in higher energy bills. In order to prevent these issues, it’s important to regularly inspect your HVAC system for any signs of air leaks. Common causes of air leaks include poorly sealed doors and windows, cracked ductwork, and unsealed vents.

To prevent air leakage, you can use caulk or weatherstripping to seal any cracks or gaps in your doors and windows. Additionally, consider installing a duct sealant to ensure that your ductwork is properly sealed. Lastly, make sure that all of your vents are properly sealed and that your HVAC system is regularly inspected and maintained.

Improperly Sized System

An improperly sized HVAC system can cause many issues and costly repairs. When a system is too large, it can cause it to cycle too quickly and not properly dehumidify the air. On the other hand, a system that is too small will struggle to keep up with the demands of your home, leading to higher energy costs and potential damages. Choosing the right size for your system is important, and getting a professional to help you make the best decision is the best way to ensure that your system is appropriately sized.

Incorrectly sized systems can lead to short cycling which is when an HVAC system runs for a short period of time, shuts off, and then restarts again. This is inefficient and can lead to an overworked system, eventually leading to expensive repairs. A professional can help you calculate the correct size for the system, taking into consideration the size of the home, how many windows and doors are in the home, and what type of insulation is used.

Having a properly sized HVAC system is essential for the comfort of your home and avoiding costly repairs. If you’re unsure of the size of your system, contact a professional to come out and help you make the best decision for your home.

Clogged Air Filters

Clogged air filters are one of the most common causes of HVAC repair issues. When the air filter is clogged, the air flow to the system is reduced and it can cause the system to overheat and cause damage to the system. This can lead to expensive repairs and can reduce the efficiency of the system.

Regularly changing your air filter is an important part of maintaining your HVAC system. A clogged air filter can cause your HVAC system to run less efficiently, which can lead to higher energy bills. It is important to check your air filter every month and change it when it is dirty. This will help prevent any unnecessary repairs and make sure your system is running at its optimal level.

If you are unsure of how to change your air filter, or if you think the air filter may be the cause of your HVAC repair issue, it is best to call a professional HVAC technician. They can provide you with the necessary advice and help you to ensure your system is running at its best.

Poor Insulation

Poor insulation is a common cause of HVAC repair issues because it affects the performance of the system and makes it harder to maintain a consistent temperature. Poor insulation can lead to air leaks, which cause the HVAC system to work harder and less efficiently, leading to higher energy bills and more frequent repairs. Additionally, without proper insulation, moisture can build up in the air ducts and cause mold, which can be hazardous to health.

To prevent these HVAC repair issues, it is important to make sure that your home is properly insulated. This means insulating walls, floors, and ceilings, as well as sealing any air leaks. Additionally, it is important to check your air ducts for any signs of mold or moisture buildup. If any is found, it should be removed promptly to avoid any further damage.

Overworking the System

One of the most common causes of HVAC repair issues is when the system is overworked. The average lifespan of a system is reduced significantly when it is subjected to excessive usage. That's why it's important to take steps to ensure the system isn't overworked.

To prevent overworking the system, you should make sure to change your air filter regularly. A dirty air filter can restrict the amount of air that passes through the system, causing it to work harder than necessary. Additionally, you should make sure to have your system maintained regularly. This will help to ensure that any potential problems are caught early on, before they become a major issue.

Finally, you should make sure to avoid running multiple appliances at the same time. This can put a strain on the system and cause it to overwork itself. By avoiding running multiple appliances at once, you can help to extend the lifespan of your system and reduce the need for repairs.

Stay Ahead of Hvac Repair Issues

Knowing the top causes of HVAC repair issues can help you stay ahead of them and minimize the chances of needing costly repairs. By regularly inspecting your system, replacing filters, and keeping up with maintenance, you can ensure that your system is running efficiently and safely. Regular inspections and maintenance can also help to identify any small issues before they become larger and more costly problems.

HVAC Repair Vancouver | HVAC Repair in Vancouver
Pioneer Plumbing & Heating Inc
626 Kingsway, Vancouver, BC
(604) 872-4946


Frequently Asked Question

What are the four 4 main types of HVAC systems?
HVAC systems are divided into four categories which come in different sizes and specifications that fit into your home or business.
  1. Heating and cooling split systems
  2. Hybrid split system
  3. Duct free (Mini-split) ...
  4. Packaged heating and air conditioning system
What are the four types of problems in HVAC?
  1. A Problem with the Refrigerant. Refrigerant is delivered to the evaporator coils in your unit so that those coils can remove heat and humidity from your home
  2. Your Thermostat
  3. Drainage Issues
  4. A Dirty AC Filter
How do I troubleshoot my HVAC system?
  1. Make Sure Your HVAC System Gas Power
  2. Try Resetting Your HVAC System
  3. Make Sure Your Furnace Door is Closed
  4. Check the Thermostat for Issues
  5. Install a New Filter in Your Furnace or AC
  6. Check all Vents for Obstructions
  7. Turn off the AC
  8. Check Furnace and AC Wires
What are the different types of faults in HVAC?
Typical HVAC faults can be mainly classified into three groups: control faults, sensor faults and equipment faults
What is the most common HVAC issue?
A dirty air filter is one of the most common issues affecting the performance of household HVAC systems. Fortunately, a dirty filter is one of the easiest problems to fix. Your air filter should be changed on a regular basis.
What is a common electrical problem in HVAC?
Residential HVAC systems have different wiring systems, making problems more difficult to detect. Three common problems wires can encounter are fraying, corrosion and disconnection. These issues can occur when there's a disruption in the flow of electricity.
What causes HVAC to stop cooling?
Perhaps the most common cause of AC issues is clogged filters. Dirt, pet hair, pollen and dust can clog your filters. When filters get clogged, they begin to restrict the flow of air through your AC. The result is that the AC doesn't cool your indoor air effectively.
​How often does HVAC need to be replaced?
The average lifespan of an air conditioning system is 10-15 years. Central air conditioner lifespan is one of the more important factors to consider when planning to invest in a replacement unit. If your unit is close to ten years old or older, you may want to consider replacing it instead of repairing it.